
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <style>
*{
margin: 0;
padding: 0;
list-style: none;
}
.wrap{
width: 1178px;
height: 174px;
overflow: hidden;
position: relative;
margin: 0 auto;

}
.wrap  ul li{
float: left;
width: 210px;
height: 174px;
overflow: hidden;
}
.wrap  ul{
width: 2000px;
}
.wrap  ul li img{
width: 550px;
height: 174px;
}
    </style>
</head>
<body>

<div class="wrap">
    <ul>
        <li style='width:550px'><img src="http://pic.shejiben.com/hot_sjb/377_8180.jpg?1462261126" alt=""></li>
        <li ><img src="http://pic.shejiben.com/hot_sjb/377_8288.jpg?1464830033" alt=""></li>
        <li ><img src="http://pic.shejiben.com/hot_sjb/377_8155.jpg?1460709517" alt=""></li>
        <li ><img src="http://pic.shejiben.com/hot_sjb/377_7937.jpg?1456984280" alt=""></li>
    </ul>
</div>
<script src="./libs/jquery.js"></script>
<script>
    $(".wrap").find("li").hover(function(){
        $(this).stop().animate({
            width:550
        }).siblings().stop().animate({
            width:210
        })
    })
</script>
</body>
</html>